.223 Rem | 5.56 NATO

Patriot Ordnance Factory (POF)

Patriot Ordnance Factory Minuteman 5.56 NATO Rifle with 13.75" Barrel and Aluminum Receiver, Part #02047

Sig Sauer

Sig Sauer M400 TRDV2 5.56 NATO Semi-Auto Rifle with 11.5-Inch Barrel, Black Finish, and Optic-Ready Design

Hi-Point Firearms

Hi-Point HP15R-556 16-Inch M-LOK Semi-Auto Rifle in 5.56 NATO with Black Aluminum Receiver

Diamondback Firearms

Diamondback DB1718K001 5.56 NATO DB15 ML Rifle with 16-Inch Threaded Barrel and Adjustable Stock

Diamondback Firearms

Diamondback DB1718K061 DB15 Carbon Series 5.56 NATO Rifle with Flat Dark Earth Cerakote Finish and 16-Inch Threaded Barrel

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-Inch Barrel in OD Green - Part APCR640450

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-Inch Barrel - Kodiak Brown Anodized Aluminum Receiver

Seekins Precision

Seekins Precision 0011300097-F Black DMR Rifle in .223 Wylde with 18-Inch Stainless Steel Barrel

Keltec

Kel-Tec RDBBLK RDB 5.56x45mm NATO 20+1 17.30" Black Receiver Fixed Bullpup Black Stock Black Polymer Grip

Keltec

Kel-Tec RDB20BLK 5.56x45mm NATO Semi-Auto Rifle with 20.5" Barrel and Ambidextrous Features

Daniel Defense

Daniel Defense DDM4 V7 SLW 5.56 NATO Rifle with 14.5-Inch Threaded Barrel and 6-Position Stock

Daniel Defense

Daniel Defense DDM4 V7 SLW 5.56 NATO Rifle with 14.5-Inch Barrel and SoftTouch Stock